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- The two pentene isomers react with mCPBA, followed by an aqueous workup with NaOH/H2Ó. Draw the key reaction intermediates and the product(s); use arrow pushing to explain the stereochemical outcomes of the reactions Intermediate Final Products MCPBA CO2OH mCPBA NaOH/H2O CI Intermediate Final Products MCPBA NaOH/H2O 6.Substitution and elimination: predict the product Maximum allowed tries per question: Unlimited (7) Draw the major organic product of the reaction. Follow this procedure: determine whether the reaction conditions are acidic or basic; identify the most nucleophilic/basic atom, the electrophilic atom, and the leaving group; predict whether elimination or substitution will occur; and then draw the product. Indicate the stereochemistry at every stereocenter with a single wedged (up), hashed (down), or wavy (a mixture of up and down; either) bond. Launch MarvinJSTM viewer or click image to copy source CH3 H3C EtONa EtOH BrCH3 CH3 CH3 CH;=ĊCH,CHCH;OH H2SO4, H3C H3C Referring to the above reaction: 1. Which atom does the H2SO4 first remove? 2. Identify the reaction if it's hydrogenation, hydrohalogenation, etc. 3. Propose a mechanism for the reaction, using the arrow formalism to indicate the flow of electrons.
- Draw the products of the following reactions, indicating both regiochemistry and stereochemistry when appropriate. 1. ВНЗ H3C- CH3 2. Н2О2, "ОН H3C • Use wedge and hash bonds ONLY when needed to show reaction stereochemistry. • In cases where there is more than one answer, just draw one. орy вste ChemDoodleDraw the products of the following reactions, indicating both regiochemistry and stereochemistry when appropriate. Use wedge and hash bonds ONLY when needed to show reaction stereochemistry. In cases where there is more than one answer, just draw one.Considering both 5-methylcyclopenta-1,3-diene (A) and 7methylcyclohepta-1,3,5-triene (B), which labeled H atom is most acidic? Which labeled H atom is least acidic? Explain your choices.
- Substitution and elimination: predict the product Maximum allowed tries per question: Unlimited (3) Draw the major organic product of the reaction. Follow this procedure: determine whether the reaction conditions are acidic or basic; identify the most nucleophilic/basic atom, the electrophilic atom, and the leaving group; predict whether elimination or substitution will occur; and then draw the product. Indicate the stereochemistry at every stereocenter with a single wedged (up), hashed (down), or wavy (a mixture of up and down; either) bond. Launch MarvinJSTM viewer or click image to copy source H₁₂C CH3 EtOH BrDraw the product(s) of the following reactions. Specify stereo and regio-selectivity where appropriate. If more than one product forms indicate major and minor.Considering both 5-methylcyclopenta-1,3-diene (A) and 7-methylcyclohepta-1,3,5-triene (B), which labeled H atom is most acidic?Which labeled H atom is least acidic? Explain your choices.
- Q1: Determine the major product(s) of the following reaction with correct stereochemistry where applicable. H2SO4 (cat.) H) XH OH heat Br 1) MeOH SN1 Q2. Ranke the following in the order of increasing reactivity towards SN1 reaction. CH3 CH3 CH3 H2C CH2 CH3 CH3 H₂C CH2 CH3 CH3 H2C CH2 H3C Br H3C Br H3C CI Br I ။ III IV Least reactive Most reactiveDraw the major product from this reaction. Use a dash and/or wedge bond to indicate the stereochemistry of substituents on asymmetric centers, where applicable. Ignore acid byproduct. 1. Br2, H₂O 2. NaH Drawing QSubstitution and elimination: predict the product Maximum allowed tries per question: Unlimited (5) Draw the major organic product of the reaction. Follow this procedure: determine whether the reaction conditions are acidic or basic; identify the most nucleophilic/basic atom, the electrophilic atom, and the leaving group; predict whether elimination or substitution will occur; and then draw the product. Indicate the stereochemistry at every stereocenter with a single wedged (up), hashed (down), or wavy (a mixture of up and down; either) bond. Launch MarvinJSTM viewer or click image to copy source CI benzene A